Sometimes the garbage collector forgets, 50" x 54"

Details from Sometimes the garbage collector forgets

Topology of turbulence; or, Why the garbage collector's job is never done, part I, 16" x 20"

The idea of subordination; or, Time to go, 22" x 38"

Does anyone know who is going to clean up this mess?, 50" x 54"

Stacks, 54" x 50"

Details from Stacks

One cloud, two boxes, 10½" x 12"